21404214

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 53936064

約数和(自身を除く): 32531850

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 41, 46, 69, 78, 82, 97, 117, 123, 138, 194, 207, 234, 246, 291, 299, 369, 414, 533, 582, 598, 738, 873, 897, 943, 1066, 1261, 1599, 1746, 1794, 1886, 2231, 2522, 2691, 2829, 3198, 3783, 3977, 4462, 4797, 5382, 5658, 6693, 7566, 7954, 8487, 9594, 11349, 11931, 12259, 13386, 16974, 20079, 22698, 23862, 24518, 29003, 35793, 36777, 40158, 51701, 58006, 71586, 73554, 87009, 91471, 103402, 110331, 155103, 174018, 182942, 220662, 261027, 274413, 310206, 465309, 522054, 548826, 823239, 930618, 1189123, 1646478, 2378246, 3567369, 7134738, 10702107, 21404214]

約数ペア:

[(1, 21404214), (2, 10702107), (3, 7134738), (6, 3567369), (9, 2378246), (13, 1646478), (18, 1189123), (23, 930618), (26, 823239), (39, 548826), (41, 522054), (46, 465309), (69, 310206), (78, 274413), (82, 261027), (97, 220662), (117, 182942), (123, 174018), (138, 155103), (194, 110331), (207, 103402), (234, 91471), (246, 87009), (291, 73554), (299, 71586), (369, 58006), (414, 51701), (533, 40158), (582, 36777), (598, 35793), (738, 29003), (873, 24518), (897, 23862), (943, 22698), (1066, 20079), (1261, 16974), (1599, 13386), (1746, 12259), (1794, 11931), (1886, 11349), (2231, 9594), (2522, 8487), (2691, 7954), (2829, 7566), (3198, 6693), (3783, 5658), (3977, 5382), (4462, 4797)]